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Portable compressors?

Post questions and info about pneumatic (compressed gas) powered cannons here. This includes discussion about valves, pipe types, compressors, alternate gas setups, and anything else relevant.
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Unread postAuthor: Doctore » Sat May 07, 2011 7:32 pm

These are made for cars,it takes almost 3,4 minutes to fill 2l coke bottle to 60 psi
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Unread postAuthor: High-PSI » Sat May 07, 2011 7:50 pm

I believe you are talking about the little emergency compressors that run off the lighter port in the dash. The Helix and Viar compressors are designed for automotive airbag suspension. I see over 100 psi in my 2 gallon tank in under 60 seconds with my Helix.

Matt
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Exotic E-bike builder, air cannon builder, and overall crack-pot. ;~)

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Unread postAuthor: Technician1002 » Sat May 07, 2011 10:51 pm

The plug in the dash variety need to keep the power draw below the lighter fuse size, of then 10 or 15 amps. The larger compressor will need a direct battery connection to work properly and not melt fuses.
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Unread postAuthor: mark.f » Sat May 07, 2011 11:24 pm

Technician1002 wrote:The larger compressor will need a direct battery connection to work properly and not melt fuses.


Well I would hope there was a fuse somewhere in that plan. :D At least a 50 amp inline... When I wired up my power inverter (nowhere near your 1kW model in output, though), I used 6 gauge wire and an inline 50 amp blade fuse.
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Unread postAuthor: Technician1002 » Sat May 07, 2011 11:37 pm

For that amperage, I recommend fusible links instead of fuses on low voltage applications.

You can see the small wire I used for my inverter. It is welding cable for and arc welder. :D
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DC wire is the little black wire off the left side. When installing an inverter you want very little voltage drop.
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